2 * Copyright 2016 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
24 #ifndef __AMDGPU_TTM_H__
25 #define __AMDGPU_TTM_H__
27 #include "gpu_scheduler.h"
29 #define AMDGPU_PL_GDS (TTM_PL_PRIV + 0)
30 #define AMDGPU_PL_GWS (TTM_PL_PRIV + 1)
31 #define AMDGPU_PL_OA (TTM_PL_PRIV + 2)
33 #define AMDGPU_PL_FLAG_GDS (TTM_PL_FLAG_PRIV << 0)
34 #define AMDGPU_PL_FLAG_GWS (TTM_PL_FLAG_PRIV << 1)
35 #define AMDGPU_PL_FLAG_OA (TTM_PL_FLAG_PRIV << 2)
37 #define AMDGPU_GTT_MAX_TRANSFER_SIZE 512
38 #define AMDGPU_GTT_NUM_TRANSFER_WINDOWS 2
41 struct ttm_bo_global_ref bo_global_ref;
42 struct drm_global_reference mem_global_ref;
43 struct ttm_bo_device bdev;
44 bool mem_global_referenced;
47 #if defined(CONFIG_DEBUG_FS)
53 const struct amdgpu_buffer_funcs *buffer_funcs;
54 struct amdgpu_ring *buffer_funcs_ring;
56 struct mutex gtt_window_lock;
57 /* Scheduler entity for buffer moves */
58 struct amd_sched_entity entity;
61 extern const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func;
62 extern const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func;
64 bool amdgpu_gtt_mgr_is_allocated(struct ttm_mem_reg *mem);
65 uint64_t amdgpu_gtt_mgr_usage(struct ttm_mem_type_manager *man);
67 uint64_t amdgpu_vram_mgr_usage(struct ttm_mem_type_manager *man);
68 uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_mem_type_manager *man);
70 int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
71 uint64_t dst_offset, uint32_t byte_count,
72 struct reservation_object *resv,
73 struct dma_fence **fence, bool direct_submit,
75 int amdgpu_fill_buffer(struct amdgpu_bo *bo,
77 struct reservation_object *resv,
78 struct dma_fence **fence);
80 int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);
81 bool amdgpu_ttm_is_bound(struct ttm_tt *ttm);
82 int amdgpu_ttm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *bo_mem);
83 int amdgpu_ttm_recover_gart(struct amdgpu_device *adev);